The day after impressing the world with their performance at the 83rd Academy Awards ceremony, the Graniteville youngsters returned to the stage of Hollywood's Kodak Theater for Oprah Winfrey's Oscar special -- and performed Katy Perry's new hit "Firework" along side the pop star.

After the performance, the students huddled around the Perry, exchanging high fives.

The singer said she flew in all night from her tour in Vienna to perform with "these beautiful children who I saw on YouTube."

Winfrey said she had one more surprise for the chorus:

They’ll all return to school with their own brand new Samsung Galaxy Tab tablet computers, courtesy of Oprah sponsor Sprint.